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1// RUN: %clang_cc1 -triple i386-apple-darwin9 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -fblocks -Wno-strict-prototypes -o - %s | FileCheck --check-prefix=CHECK --check-prefix=SIG_STR %s2// RUN: %clang_cc1 -triple i386-apple-darwin9 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -fblocks -Wno-strict-prototypes -fdisable-block-signature-string -o - %s | FileCheck --check-prefix=CHECK --check-prefix=NO_SIG_STR %s3 4// Check that there is only one capture (20o) in the copy/dispose function5// names.6 7// SIG_STR: @[[STR3:.*]] = private unnamed_addr constant [6 x i8] c"v4@?0\00", align 18// SIG_STR: @[[BLOCK_DESCRIPTOR0:"__block_descriptor_28_4_20o_e5_v4\\01\?0l"]] = linkonce_odr hidden unnamed_addr constant { i32, i32, ptr, ptr, ptr, i32 } { i32 0, i32 28, ptr @__copy_helper_block_4_20o, ptr @__destroy_helper_block_4_20o, ptr @[[STR3]], i32 512 },9// NO_SIG_STR: @[[BLOCK_DESCRIPTOR0:__block_descriptor_28_4_20o_e0_l]] = linkonce_odr hidden unnamed_addr constant { i32, i32, ptr, ptr, ptr, i32 } { i32 0, i32 28, ptr @__copy_helper_block_4_20o, ptr @__destroy_helper_block_4_20o, ptr null, i32 512 },10 11 12void (^gb0)(void);13 14struct S {15 void (^F)(struct S*);16} P;17 18 19@interface T20 - (int)foo: (T* (^)(T*)) x;21@end22 23void foo(T *P) {24 [P foo: 0];25}26 27@interface A 28-(void) im0;29@end30 31// CHECK: define internal i32 @"__8-[A im0]_block_invoke"(32@implementation A33-(void) im0 {34 (void) ^{ return 1; }();35}36@end37 38@interface B : A @end39@implementation B40-(void) im1 {41 ^(void) { [self im0]; }();42}43-(void) im2 {44 ^{ [super im0]; }();45}46-(void) im3 {47 ^{ ^{[super im0];}(); }();48}49@end50 51// In-depth test for the initialization of a __weak __block variable.52@interface Test2 -(void) destroy; @end53void test2(Test2 *x) {54 extern void test2_helper(void (^)(void));55 // CHECK-LABEL: define{{.*}} void @test2(56 // CHECK: [[X:%.*]] = alloca ptr,57 // CHECK-NEXT: [[WEAKX:%.*]] = alloca [[WEAK_T:%.*]],58 // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],59 // CHECK-NEXT: store ptr60 61 // isa=1 for weak byrefs.62 // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds nuw [[WEAK_T]], ptr [[WEAKX]], i32 0, i32 063 // CHECK-NEXT: store ptr inttoptr (i32 1 to ptr), ptr [[T0]]64 65 // Forwarding.66 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds nuw [[WEAK_T]], ptr [[WEAKX]], i32 0, i32 167 // CHECK-NEXT: store ptr [[WEAKX]], ptr [[T1]]68 69 // Flags. This is just BLOCK_HAS_COPY_DISPOSE BLOCK_BYREF_LAYOUT_UNRETAINED70 // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds nuw [[WEAK_T]], ptr [[WEAKX]], i32 0, i32 271 // CHECK-NEXT: store i32 1375731712, ptr [[T2]]72 73 // Size.74 // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds nuw [[WEAK_T]], ptr [[WEAKX]], i32 0, i32 375 // CHECK-NEXT: store i32 28, ptr [[T3]]76 77 // Copy and dispose helpers.78 // CHECK-NEXT: [[T4:%.*]] = getelementptr inbounds nuw [[WEAK_T]], ptr [[WEAKX]], i32 0, i32 479 // CHECK-NEXT: store ptr @__Block_byref_object_copy_{{.*}}, ptr [[T4]]80 // CHECK-NEXT: [[T5:%.*]] = getelementptr inbounds nuw [[WEAK_T]], ptr [[WEAKX]], i32 0, i32 581 // CHECK-NEXT: store ptr @__Block_byref_object_dispose_{{.*}}, ptr [[T5]]82 83 // Actually capture the value.84 // CHECK-NEXT: [[T6:%.*]] = getelementptr inbounds nuw [[WEAK_T]], ptr [[WEAKX]], i32 0, i32 685 // CHECK-NEXT: [[CAPTURE:%.*]] = load ptr, ptr [[X]]86 // CHECK-NEXT: store ptr [[CAPTURE]], ptr [[T6]]87 88 // Then we initialize the block, blah blah blah.89 // CHECK: call void @test2_helper(90 91 // Finally, kill the variable with BLOCK_FIELD_IS_BYREF.92 // CHECK: call void @_Block_object_dispose(ptr [[WEAKX]], i32 24)93 94 __attribute__((objc_gc(weak))) __block Test2 *weakX = x;95 test2_helper(^{ [weakX destroy]; });96}97 98// In the test above, check that the use in the invocation function99// doesn't require a read barrier.100// CHECK-LABEL: define internal void @__test2_block_invoke101// CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[BLOCK_T]], ptr {{%.*}}, i32 0, i32 5102// CHECK-NEXT: [[T1:%.*]] = load ptr, ptr [[T0]]103// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds nuw [[WEAK_T]]{{.*}}, ptr [[T1]], i32 0, i32 1104// CHECK-NEXT: [[T4:%.*]] = load ptr, ptr [[T3]]105// CHECK-NEXT: [[WEAKX:%.*]] = getelementptr inbounds nuw [[WEAK_T]]{{.*}}, ptr [[T4]], i32 0, i32 6106// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[WEAKX]], align 4107 108// Make sure that ... is appropriately positioned in a block call.109void test3(void (^block)(int, ...)) {110 block(0, 1, 2, 3);111}112// CHECK-LABEL: define{{.*}} void @test3(113// CHECK: [[BLOCK:%.*]] = alloca ptr, align 4114// CHECK-NEXT: store ptr115// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[BLOCK]], align 4116// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds nuw [[BLOCK_T:%.*]], ptr [[T0]], i32 0, i32 3117// CHECK-NEXT: [[T4:%.*]] = load ptr, ptr [[T2]]118// CHECK-NEXT: call void (ptr, i32, ...) [[T4]](ptr noundef [[T0]], i32 noundef 0, i32 noundef 1, i32 noundef 2, i32 noundef 3)119// CHECK-NEXT: ret void120 121void test4(void (^block)()) {122 block(0, 1, 2, 3);123}124// CHECK-LABEL: define{{.*}} void @test4(125// CHECK: [[BLOCK:%.*]] = alloca ptr, align 4126// CHECK-NEXT: store ptr127// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[BLOCK]], align 4128// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds nuw [[BLOCK_T:%.*]], ptr [[T0]], i32 0, i32 3129// CHECK-NEXT: [[T4:%.*]] = load ptr, ptr [[T2]]130// CHECK-NEXT: call void [[T4]](ptr noundef [[T0]], i32 noundef 0, i32 noundef 1, i32 noundef 2, i32 noundef 3)131// CHECK-NEXT: ret void132 133void test5(A *a) {134 __unsafe_unretained A *t = a;135 gb0 = ^{ (void)a; (void)t; };136}137 138// CHECK-LABEL: define void @test5(139// CHECK: %[[FLAGS:.*]] = getelementptr inbounds nuw <{ ptr, i32, i32, ptr, ptr, ptr, ptr }>, ptr %{{.*}}, i32 0, i32 1140// SIG_STR: store i32 -1040187392, ptr %[[FLAGS]], align 4141// NO_SIG_STR: store i32 -2113929216, ptr %[[FLAGS]], align 4142// CHECK: %[[V0:.*]] = getelementptr inbounds nuw <{ ptr, i32, i32, ptr, ptr, ptr, ptr }>, ptr %{{.*}}, i32 0, i32 4143// CHECK: store ptr @[[BLOCK_DESCRIPTOR0]], ptr %[[V0]],144 145void test6(id a, long long b) {146 void (^block)() = ^{ (void)b; (void)a; };147}148 149// Check that the block literal doesn't have two fields for capture 'a'.150 151// CHECK-LABEL: define void @test6(152// CHECK: alloca <{ ptr, i32, i32, ptr, ptr, ptr, i64 }>,153